Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 10 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/13/2021   20:18:05   (  -0.27,-104.21) (   0.03,-102.83)  156.15                80
 10/15/2021   08:39:54   (   0.24,-104.28) (   1.07,-108.12)  436.36                80
 10/16/2021   08:18:29   (   0.26,-104.27) (   0.12,-103.57)   79.24                80
 10/18/2021   20:21:41   (  -0.24,-104.20) (  -0.30,-104.34)   16.88                80
 10/21/2021   08:27:26   (   0.23,-104.31) (   0.38,-105.09)   88.29                80
 10/22/2021   08:06:00   (   0.25,-104.31) (  -0.58,-100.55)  427.72                80
 10/23/2021   20:27:57   (  -0.22,-104.20) (  -0.61,-105.85)  188.21                80
 10/24/2021   20:11:52   (  -0.23,-104.22) (   0.41,-101.32)  329.97                80
 10/26/2021   08:33:41   (   0.20,-104.35) (   0.69,-106.60)  256.40                80